Fix lint error

The linter throws an error while parsing the calico yaml:
./upgrade-scripts/000-switch-to-calico/resources/calico.yaml:5618:
  NotIn ==> noting, not in, notion

We'll define an exception for the "NotIn" word.

Author: petrutlucian94

tox.ini

@@ -20,7 +20,7 @@ deps =
 [testenv:lint]
 commands =
     flake8 --max-line-length=120 --ignore=C901,N801,N802,N803,N806,N816,W503,E203
-    codespell --ignore-words-list="aks,ccompiler" --quiet-level=2 --skip="*.patch,*.spec,.tox_env,.git,*.nsi"
+    codespell --ignore-words-list="aks,ccompiler,NotIn" --quiet-level=2 --skip="*.patch,*.spec,.tox_env,.git,*.nsi"
     black --diff --check --exclude "/(\.eggs|\.git|\.tox|\.venv|\.build|dist|charmhelpers|mod)/" .
 
 [testenv:scripts]